2 years ago

How do you know that substitution give a you the answer to a system of equations

1 answer:

6 0

Solve each system by substitution. Check your solution. Writing How do you know that substitution gives the answer to a system of equations? ... You Would solve the second equationfor y and then substitute back into the first equation.

You might be interested in

Please help i dont understand

Kipish [7]

Answer:

44°

Step-by-step explanation:

Arc 8s equal to the central angle

7 0

2 years ago

Eduardo puts $40 into his piggy bank and plans to add $5 each month. Write an equation to represent this.

igomit [66]

Answer:

40+5x

Step-by-step explanation:

Eduardo put $40 in so the 40 is what he has already put in. Next you have $5 added in but it doesn’t say for how many months just that it’s each month so we put the x to represent out unknown so we can solve the equation.

4 0

2 years ago

Wha is 5÷312 in long division

bezimeni [28]

The answer is 62 with a remainder of 2.

Hope this helps!

5 0

2 years ago

A car travels 120 miles in 2.5 hours (with a constant speed). What is the car's

kipiarov [429]

Answer:

Step-by-step explanation: